Convert VideoDecoder::Initialize to use media::Status

Plumb MediaError through VideoDecoder::Initialize so that we can start
refining its usage everywhere.


Bug: 1043289
Change-Id: I3c4d7517901a8d186a045b7c9774ddad33859d0c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2042915
Commit-Queue: Ted Meyer <tmathmeyer@chromium.org>
Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Frank Liberato <liberato@chromium.org>
Reviewed-by: Kenneth MacKay <kmackay@chromium.org>
Reviewed-by: Dan Sanders <sandersd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#751948}

diff --git a/media/filters/decrypting_audio_decoder_unittest.cc b/media/filters/decrypting_audio_decoder_unittest.cc
index 8a485929..c364c73 100644
--- a/media/filters/decrypting_audio_decoder_unittest.cc
+++ b/media/filters/decrypting_audio_decoder_unittest.cc

@@ -83,7 +83,12 @@
         kNoTimestamp);
     decoded_frame_list_.push_back(decoded_frame_);
 
-    decoder_->Initialize(config, cdm_context_.get(), NewExpectedBoolCB(success),
+    decoder_->Initialize(config, cdm_context_.get(),
+                         base::BindOnce(
+                             [](bool success, Status status) {
+                               EXPECT_EQ(status.is_ok(), success);
+                             },
+                             success),
                          base::Bind(&DecryptingAudioDecoderTest::FrameReady,
                                     base::Unretained(this)),
                          base::Bind(&DecryptingAudioDecoderTest::OnWaiting,
@@ -121,12 +126,13 @@
         .WillOnce(RunOnceCallback<1>(true));
     EXPECT_CALL(*decryptor_, RegisterNewKeyCB(Decryptor::kAudio, _))
         .WillOnce(SaveArg<1>(&key_added_cb_));
-    decoder_->Initialize(new_config, cdm_context_.get(),
-                         NewExpectedBoolCB(true),
-                         base::Bind(&DecryptingAudioDecoderTest::FrameReady,
-                                    base::Unretained(this)),
-                         base::Bind(&DecryptingAudioDecoderTest::OnWaiting,
-                                    base::Unretained(this)));
+    decoder_->Initialize(
+        new_config, cdm_context_.get(),
+        base::BindOnce([](Status status) { EXPECT_TRUE(status.is_ok()); }),
+        base::Bind(&DecryptingAudioDecoderTest::FrameReady,
+                   base::Unretained(this)),
+        base::Bind(&DecryptingAudioDecoderTest::OnWaiting,
+                   base::Unretained(this)));
   }
 
   // Decode |buffer| and expect DecodeDone to get called with |status|.